<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>To do</title>
    <link href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <style>
        @media (max-width:600px) {
            h1{
                font-size: 36px !important;
            }
        }
    </style>
</head>
<body>
    <div class="jumbotron jumbotron-fluid">
        <div class="container text-center">
            <h1 class="display-4">Javascript TO Do</h1>
            <p class="lead">待办事项</p>
        </div>
    </div>
    <div class="container">
        <div class="row">
            <div class="col-12">
                <form action="" class="mb-5" onsubmit="return false">
                    <div class="form-group">
                        <input type="text" id="ipt" class="form-control" placeholder="在此输入任务...">
                    </div>
                    <button type="submit" id="btn" class="btn btn-primary btn-block">添加任务</button>
                </form>
                <ul class="list-group" id="ul">

                </ul>
            </div>
        </div>
    </div>


    <script src="js/script.js"></script>
</body>
</html>